It looks like we need to go up two directories (from classes to user), and then traverse along the php and Archive directories.

I would suggest, however, that you use an absolute path because no resolving has to be done (making them quicker). For this, we can use the $SERVER['DOCUMENTROOT'] variable, and then add on the relative path to the file from there. I'm not sure what you have your DOCUMENT_ROOT directive defined as, but if you echo it out, then your can just add on the necessary directories to it: